Typical security alarm system consists of a central console,, detectors, siren and keypad, usually, also from the devices, transmit system status information, via the telephone fixed network, mobile (GSM module) and the Internet (TCP/IP). It is also possible the use of a radio module for remote switching on and off alarm, remote control. also often used emergency buttons, которые позволяют жителям включить тревогу в момент попытки проникновения.
The center console
All the burglar alarms in Kiev are equipped with central console. To her flock information from all detectors located throughout the facility. It analyzes them and in case of activation, launches an alarm. More advanced models have additional features:
- maintenance and programming using a smartphone;
- event memory, which allows to determine:
- when the alarm was activated, and off;
- when it happened, and operation of a detector signal was received;
- notification of alarm conditions on the introduction of the device memory of your phone number;
- device inventory and reporting of faults.
Motion sensors
On the protected objects accepted set as motion detectors. They are triggered when motion is detected. Modern technologies develop with long strides, so the market can find various models:
- infrared (active and passive);
- ultrasound;
- vibratory;
- Friction;
- magnetic.
The most commonly used passive infrared models (THE BRIDGE), responsive to changes in thermal radiation intensity, and combined, in which additionally inserted Ultrasonic sensor. dual scan (ik + ultrasound) eliminates false positives, caused by changes in temperature in the air-conditioned rooms, pechkami or kaminami.
Keyboard
a keypad for system control. Usually, it is placed in an easily accessible place, so you can quickly turn on and off alarm. On it there are indicators, pointing to:
- state (incl., off);
- faults and other events.
Also, the keyboard makes it possible to program the central console.
Sensors opening doors and windows
Represent primitives. They allow you to control the doors and windows. There are two types:
- wired;
- cordless.
Recent relevant in the case, when wiring is not possible, aesthetic and financial reasons. In case of opening of a door or window to instantly send a signal to a central console.
Notifications and monitoring
Most often, a robbery occurs in the absence of home owners, and the audible alarm does not give the desired result. Besides, the house may have other troubles, such as leakage of gas or water. For such cases special sensors and information system have been developed:
- by e-mail;
- by phone;
- in administration, installed on your phone or tablet.
Modern alarm systems enable real-time using video cameras watching what's going on at home, and make a decision about what is happening.
Entirely new possibilities in the field of the protection of private property gives the system, which are connected to the Internet. They promptly transmit an alarm signal to the server and recorded video of what is happening in the house or apartment. They are also characterized by a huge number of functions.
